Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Madison, VA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
540-407 A CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-407 0 CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-407 1 CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-407 2 FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2012-06-14   
540-407 3 WNCHVAWC8MD  624H ONVOY SPECTRUM, LLC 246   2021-05-28   
540-407 4 CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2014-03-19   
540-407 6   5832 CORETEL VIRGINIA, LLC - VA 246   2009-03-27   
540-407 7 CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-407 8 FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2014-04-17   
540-407 9 FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2016-08-26   
540-543 A CLPPVARVRS0  9213 VERIZON VIRGINIA, INC. 246      
540-543 0 FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2018-05-31   
540-543 2 CLPPVARVRS0  9213 VERIZON VIRGINIA, INC. 246      
540-543 3 LSBGVALBX7X  318J COMCAST IP PHONE, LLC 246   2014-12-15   
540-543 5   145J TERRA NOVA TELECOM INC. 246   2024-02-14   
540-543 7 CLPPVACU3MD  508J CENTURYLINK COMMUNICATIONS, LLC 246   2014-07-18   
540-543 8 CLPPVA94ZMD  073H TELNYX LLC 246   2017-09-13   
540-738 A CLPPVA94DS0  5832 CORETEL VIRGINIA, LLC - VA 246      
540-738 0 FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2008-12-05   
540-738 1 LSBGVALBZMD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 246   2020-08-29   
540-738 2 LSBGVALBX7X  318J COMCAST IP PHONE, LLC 246   2008-06-15   
540-738 3 MDSNVAMA0MD  7849 LUMOS NETWORKS INC. - VA 246   2009-07-04   
540-738 4 LSBGVALBQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 246   2012-10-01   
540-738 5 ASBNVACYGT0  5832 CORETEL VIRGINIA, LLC - VA 246   2019-03-30   
540-738 6 ASBNVACYGT0  5832 CORETEL VIRGINIA, LLC - VA 246   2019-03-30   
540-738 7 CLPPVACURMD  138E ONVOY, LLC - VA 246   2018-11-18   
540-738 8 ASBNVACYGT0  5832 CORETEL VIRGINIA, LLC - VA 246   2019-03-30   
540-738 9 ASBNVACYGT0  5832 CORETEL VIRGINIA, LLC - VA 246   2019-03-30   
540-756 A LSBGVALBX7X  318J COMCAST IP PHONE, LLC 246      
540-756 1 LSBGVALBX7X  318J COMCAST IP PHONE, LLC 246   2021-10-31   
540-756 2 LSBGVALBX7X  318J COMCAST IP PHONE, LLC 246   2021-10-31   
540-756 5 WNCHVAWC8MD  624H ONVOY SPECTRUM, LLC 246   2021-12-02   
540-756 6 WNCHVAWC8MD  624H ONVOY SPECTRUM, LLC 246   2021-12-02   
540-756 7 CLPPVACURMD  138E ONVOY, LLC - VA 246   2022-02-12   
540-948 A MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 0 CLPPVACURMD  138E ONVOY, LLC - VA 246   2020-11-06   
540-948 1 CLPPVACURMD  138E ONVOY, LLC - VA 246   2020-11-06   
540-948 2   5832 CORETEL VIRGINIA, LLC - VA 246   2019-03-30   
540-948 3 MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 4 MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 5 MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 6 MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 7 MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 9 MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.